Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11975282 | Filter for purifying an air stream | Michael J. Knapke, Joseph A. Rossin | 2024-05-07 |
| 11794140 | Auxiliary filter for enhanced chemical protection | Gregory W. Peterson, Ryan Ballantyne, Michael Boruch, William Clark, Bruce Corso +13 more | 2023-10-24 |